public class JavaArithmeticOperator {
    public static void main(String[] args) {
        int a = 10;
        int b = 20;
        int c = 25;
        int d = 25;
        System.out.println("a + b = " +(a + b));
        System.out.println("a - b = " +(a - b));
        System.out.println("a * b = " +(a * b));
        System.out.println("b / a = " +(b / a));
        System.out.println("b % a = " +(b % a));
        System.out.println("c % a = " +(c % a));
        System.out.println("a++ = " +(a++));
        System.out.println("a-- = " +(a--));
        // 查看 d++ 与 ++d 的不同
        System.out.println("d++ = " +(d++));
        System.out.println("++d = " +(++d));
    }
}